Split an spliti are deprecated in Php 5.3. How can I replace them?

Question

I'm implementing a function that converts float numbers to strings.

function exp2int($exp) {
    list($mantissa, $exponent) = spliti("e", $exp);
    if($exponent=='') return $exp;
    list($int, $dec) = split("\.", $mantissa);
    bcscale (abs($exponent - strlen($dec)));
    return bcmul($mantissa, bcpow("10", $exponent));
}

This is an example:

$n = 2.777777778e-10;
echo exp2int($n);

Returns:

0.0000000002777777778

My server is running Php 5.4, and since split and spliti are deprecated since Php 5.3, I get these messages:

Deprecated: Function spliti() is deprecated
Deprecated: Function split() is deprecated

How can I replace those functions in my exp2int function (without the use of @)? Thanks!

andy · Accepted Answer · 2014-09-20T17:24:03.397

3

As the PHP website on split() states:

Tip split() is deprecated as of PHP 5.3.0. preg_split() is the suggested alternative to this function. If you don't require the power of regular expressions, it is faster to use explode(), which doesn't incur the overhead of the regular expression engine.

Similarly for spliti():

Tip spliti() is deprecated as of PHP 5.3.0. preg_split() with the i (PCRE_CASELESS) modifier is the suggested alternative.

Note, however, that explode() takes a delimiter string rather than a regex pattern as an argument.

edited Sep 20 '14 at 17:24

answered Sep 20 '14 at 15:31

andy

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i tried that, but replacing split with explode does not return the exact amount of decimals. – Andres SK Sep 20 '14 at 16:04
What do you get instead? – andy Sep 20 '14 at 16:23
for the same example I get: 0.0000000002 – Andres SK Sep 20 '14 at 16:53
2

That's because you probably use `split("\.", $mantissa)`. However, `explode()` requires only the delimiter, not a pattern. Use `split(".", $mantissa)` instead. – andy Sep 20 '14 at 17:22

Split an spliti are deprecated in Php 5.3. How can I replace them?

1 Answers1